EHD技术在绝缘流体中的液滴分散

10th International Conference on Conduction and Breakdown in Dielectric Liquids Pub Date : 1990-09-10 DOI:10.1109/ICDL.1990.202909

W. He, J. Chang, M. Baird

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引用次数: 1

摘要

实验研究了绝缘液体中水滴在电流体动力作用下的行为。在离水平面倾斜3度的矩形槽中，测量了直流电场和脉冲电场作用下蒸馏水水滴的直径和速度。对于分散在粘性油中的蒸馏水系统，可以在单个不锈钢喷嘴处形成均匀的球形液滴。结果表明，在EHD力的作用下，液滴尺寸可以明显减小，液滴初始速度可以明显提高。在给定电压下，外加脉冲电场对液滴形成及其后续运动的影响大于直流电场。

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Liquid droplet dispersion in an insulating fluid by EHD techniques

The behavior of water droplets in an insulating liquid under the influence of electrohydrodynamic forces was experimentally investigated. Diameters and velocities of distilled water drops under both DC and pulse electric field have been measured in a rectangular cell arranged 3 degrees inclined from horizontal. For the system of distilled water dispersed in a viscous oil, uniformly spherical drops can be formed at a single stainless steel nozzle. It is shown that the droplet size could be reduced and the droplet initial velocity could be increased significantly under the influence of the EHD forces. The effect of applied pulsed electric field on the droplet formation and its subsequent motion is greater, for a given voltage, than that of DC electric field.<>

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10th International Conference on Conduction and Breakdown in Dielectric Liquids

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